Chapter 10 Geology Exam Questions & Answers.
Which type of force causes folding? - CORRECT ANSWER compressional force
What is an anticline? - CORRECT ANSWER a fold shaped like an upside-down U
a fold shaped like an upside-down U - CORRECT ANSWER a fold shaped like a right-side-up U
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Chapter 10 Geology Exam Questions & Answers.
Which type of force causes folding? - CORRECT ANSWER compressional force
What is an anticline? - CORRECT ANSWER a fold shaped like an upside-down U
a fold shaped like an upside-down U - CORRECT ANSWER a fold shaped like a right-side-up U
Imagine an anticline has been eroded to a flat surface. How would the rock age change as you walked across that flat surface? - CORRECT ANSWER Rocks would be youngest on the edges and oldest in the middle.
Imagine a syncline has been eroded to a flat surface. How would the rock age change as you walked across that flat surface? - CORRECT ANSWER Rocks would be oldest on the edges and youngest in the middle.
What produces plunging folds? - CORRECT ANSWER a combination of folding and tilting
What does the term plunging fold mean? - CORRECT ANSWER a fold that is tilted down into Earth
Imagine a fold has been eroded to a flat surface. In general, how would you know whether this fold is plunging? - CORRECT ANSWER Nonplunging folds look like straight lines at the surface, and plunging folds look like wavy lines.
Rank the following events in order from OLDEST to YOUNGEST in age. - CORRECT ANSWER oldest -Sediments are deposited in a horizontal orientation.
-The sediments are buried and lithified into sedimentary rock.
-Compressional forces cause the sedimentary rocks to bend into an anticline. -Processes of weathering and erosion expose the interior of the anticline.
Based on what you learned in the video, which of the following statements regarding joints is true? - CORRECT ANSWER Joints are fractures in rocks where very little to no movement has occurred.
_____ are shown in the photo above. They are characterized by _____ sedimentary rock layers. - CORRECT ANSWER faults, discontinuous
Drag the appropriate items to their respective bins. - CORRECT ANSWER true The cracks in the sedimentary rocks are joints.The fractures are a result of brittle deformation.
false No cracks exist in this outcrop.The sedimentary rock shown here has been significantly displaced.
What is a scarp? - CORRECT ANSWER the trace of a fracture called a normal fault, where a portion of crust slides down the fault surface
Alluvial fans are composed of material built up from sediment from the foot of the mountains to the valley floor. They are evidence that __________. - CORRECT ANSWER Death Valley is a tectonically active region
The Basin and Range consists of north-south trending mountain ranges separated by basins. What causes this distinct topography? - CORRECT ANSWER Extension due to normal faulting causes valley floors to sink.
The split cinder cone along the Southern Death Valley Fault is evidence that __________. - CORRECT ANSWER the Pacific and North American plates are moving alongside each other along strike-slip faults
What is a fault? - CORRECT ANSWER fractures along which rocks move
What are rocks below and above a fault called? - CORRECT ANSWER the footwall below and the hanging wall above
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